Friday
March 24, 2017

Post a New Question

Posted by on Thursday, November 10, 2011 at 7:15pm.

A 9.90-g bullet has a speed of 1.33 km/s.
(a) What is its kinetic energy in joules?
(b) What is the bullet's kinetic energy if its speed is halved?
(c) What is the bullet's kinetic energy if its speed is doubled?

  • physics - , Thursday, November 10, 2011 at 9:00pm

    (a)
    (1/2) M V^2.
    Make sure M is in kg and V is in m/s.

    (b) (1/4) f what it is in (a)
    (c) What do you think? What happens to V^2 if you double V?

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question